Kahn, H. (1977). The Next 200 Years: A Scenario for America and the World. London: Associated Business Programmes.
استشهاد بنمط شيكاغوKahn, Herman. The Next 200 Years: A Scenario for America and the World. London: Associated Business Programmes, 1977.
MLA استشهادKahn, Herman. The Next 200 Years: A Scenario for America and the World. London: Associated Business Programmes, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.